| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > vsnid | Structured version Visualization version GIF version | ||
| Description: A setvar variable is a member of its singleton. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| vsnid | ⊢ 𝑥 ∈ {𝑥} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 3445 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | 1 | snid 4620 | 1 ⊢ 𝑥 ∈ {𝑥} |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 {csn 4581 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-v 3443 df-sn 4582 |
| This theorem is referenced by: exsnrex 4638 rext 5397 unipw 5399 xpdifid 6127 opabiota 6917 fnressn 7105 fressnfv 7107 snnex 7705 frrlem12 8241 frrlem14 8243 mapsnd 8828 findcard2d 9095 ac6sfi 9188 iunfi 9247 elirrvOLD 9507 kmlem2 10066 fin1a2lem10 10323 hsmexlem4 10343 iunfo 10453 modfsummodslem1 15719 lcmfunsnlem2lem1 16569 coprmprod 16592 coprmproddvdslem 16593 c0snmgmhm 20402 lbsextlem4 21120 frlmlbs 21756 coe1fzgsumdlem 22251 evl1gsumdlem 22304 maducoeval2 22588 dishaus 23330 dis2ndc 23408 dislly 23445 dissnlocfin 23477 comppfsc 23480 txdis 23580 txdis1cn 23583 txkgen 23600 isufil2 23856 alexsubALTlem4 23998 tmdgsum 24043 dscopn 24521 ovolfiniun 25462 volfiniun 25508 jensen 26959 uvtx01vtx 29474 cplgr1vlem 29506 unidifsnel 32613 gsumpart 33148 vieta 33738 extdg1id 33825 irngss 33846 esum2dlem 34251 bnj1498 35219 funen1cnv 35246 fineqvnttrclselem2 35280 wevgblacfn 35305 cvmlift2lem1 35498 funpartlem 36138 exeltr 36667 topdifinffinlem 37554 fvineqsneq 37619 pibt2 37624 finixpnum 37808 mbfresfi 37869 pclfinN 40228 sn-iotalem 42545 mzpcompact2lem 43060 dvmptfprod 46256 fourierdlem48 46465 sge0sup 46702 funressnvmo 47358 dfclnbgr6 48169 dfsclnbgr6 48171 termco 49793 termcarweu 49840 diag1f1o 49846 diag2f1o 49849 |
| Copyright terms: Public domain | W3C validator |